Easy to install - directly replaces factory lenses. Thermo-Hygrometer (temperature and humidity chamber) and Rain-Resistant tested. SAE (Society of Automotive Engineers) and D.O.T. (Department of Transportation) compliant with FMVSS (Federal Motor Vehicle Safety Standarts) No. 108. Provides clean and great match for hi-tech Euro style. 1999 BMW 318ISBase Coupe 2-DoorAll, 2000 BMW 323CIBase Coupe 2-DoorAll, 1999 BMW 323ISBase Coupe 2-DoorAll, 2001 BMW 325CIBase Coupe 2-DoorAll, 2000 BMW 328CIBase Coupe 2-DoorAll, 1999 BMW 328ISBase Coupe 2-DoorAll, 2001 BMW 330CIBase Coupe 2-DoorAll.